Lou-Ellen Enman, APRN
Family Nurse Practitioner in San Francisco, California. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 209,817 in Family Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Lou-Ellen Enman, APRN reported a CMS MIPS final score of 83.2/100 - above the 83.1 national average - and filed 3,457 Medicare Part D claims in 2023.
- 83.2/100
- MIPS score · +0 vs avg
- 3K
- Part D claims, 2023
- 86%
- generic prescribing
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Lou-Ellen Enman, APRN's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
83 42nd percentile higher than 42% of 477,587 scored providers
Each bar is a band; taller bars hold more scored providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Lou-Ellen Enman, APRN sits
This provider among family nurse practitioner peers
Across the 27,154 family nurse practitioner providers who report both Medicare Part D prescribing and a MIPS quality score, Lou-Ellen Enman, APRN writes more Part D claims than 90% of them and scores higher on MIPS quality than 40% - placing this provider in the high-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one family nurse practitioner peer from a representative sample of 60; the gold marker is Lou-Ellen Enman, APRN. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
What does the federal data show about Lou-Ellen Enman, APRN?
Near national averagePrimary specialty
Medicare Part D claims
MIPS final score
Specialty distribution in California
How Family Nurse Practitioner compares to other specialties among California providers
Family Nurse Practitioner ranks #16 among California's specialties (1.6% of in-state providers)
Each bar is a specialty's share of the California provider total, by primary NUCC taxonomy. The highlighted bar is Family Nurse Practitioner; the long tail of smaller specialties is omitted for legibility.
Medicare quality performance, MIPS
Lou-Ellen Enman, APRN's 2023 MIPS final score plotted against the Family Nurse Practitioner national average
- MIPS Final Score
- 83.2/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Family Nurse Practitioner) - 83.2/100 vs national avg 83.1
Quality benchmarks
- National MIPS avg 2023 reporting year
- Quality dim CMS Quality category
- Cost dim CMS Cost category
- Specialty volume Family Nurse Practitioner US NPIs
83.2/100 MIPS final score - 0.1 pts above the 83.1 national average
Quality, Cost, Promoting Interoperability, and Improvement Activities composite score for the 2023 performance year. Specialty: Family Nurse Practitioner. Quality dim: 87.7. Cost dim: 71.3.
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Lou-Ellen Enman, APRN appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding APRN credentials at 1 EMBARCADERO CTR STE 1900, San Francisco, CA, 94111, with a listed phone of (415) 658-6791. NPI 1538708102 was issued on 12/31/2019. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Enman most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 3,457 prescription claims written by this provider, covering 380 Medicare beneficiaries and totaling roughly $371K in drug spend, split 13% brand-name and 86% generic by claim count. These figures capture only Medicare Part D, commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 83.2/100 for the 2023 performance year (Quality 87.7, Cost 71.3), compared with the national average of 83.1.
Family Nurse Practitioner is a high-volume specialty nationwide, with 209,817 enrolled providers across 56 states and an average of 1,222 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1538708102 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | APRN |
| Gender | Female |
| NPI Issued | 12/31/2019 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm Lou-Ellen Enman, APRN's current license status, disciplinary history, and board certifications with the Medical Board of California in California before relying on this page for a clinical or care decision.
How we sourced this profile
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
Reporting: Group practice
License & disciplinary context - California MBC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to Lou-Ellen Enman, APRN. To verify Lou-Ellen Enman, APRN's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
13% brand-name claims vs 86% generic, on 3,457 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
Prescribing Breakdown
- 30-Day Fills
- 8,711
- Total Day Supply
- 256,906
- Brand vs Generic
- 13% brand / 86% generic
- Brand Drug Cost
- $313K
- Generic Drug Cost
- $56K
- Antibiotic Claims
- 50
Patient Demographics
- Average Patient Age
- 72.7 years
- Avg HCC Risk Score
- 1.07
- Gender Split
- 59% female / 41% male
- Age Distribution
- <65: 39, 65-74: 181, 75-84: 131, 85+: 29
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Lou-Ellen Enman, APRN prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
269 claims
- Levothyroxine Sodium
Levothyroxine Sodium
255 claims
- Lisinopril
Lisinopril
208 claims
- Amlodipine Besylate
Amlodipine Besylate
155 claims
- Metformin Hcl
Metformin Hcl
129 claims
- Omeprazole 99
Omeprazole
99 claims
- Losartan Potassium 96
Losartan Potassium
96 claims
- Gabapentin 85
Gabapentin
85 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 269 |
| Levothyroxine Sodium | 255 |
| Lisinopril | 208 |
| Amlodipine Besylate | 155 |
| Metformin Hcl | 129 |
| Omeprazole | 99 |
| Losartan Potassium | 96 |
| Gabapentin | 85 |
| Trazodone Hcl | 80 |
| Famotidine | 69 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Nurse Practitioner Overview
How Lou-Ellen Enman, APRN fits within the Family Nurse Practitioner landscape nationally.
Lou-Ellen Enman, APRN's 3,457 claims are above the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Enman.
Compare Family Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the California medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
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Data Sources
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology